Backplan
底视图
🗣️ 情景例句
Please, sit down. What can I do for you?
请坐下。我能为你们做什么呢？
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。